630864725092 has 18 divisors (see below), whose sum is σ = 1284260333622. Its totient is φ = 270370596384.

The previous prime is 630864725089. The next prime is 630864725147. The reversal of 630864725092 is 290527468036.

It can be written as a sum of positive squares in only one way, i.e., 525996265536 + 104868459556 = 725256^2 + 323834^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1609348593 + ... + 1609348984.

Almost surely, 2^630864725092 is an apocalyptic number.

It is an amenable number.

630864725092 is an abundant number, since it is smaller than the sum of its proper divisors (653395608530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630864725092 is a wasteful number, since it uses less digits than its factorization.

630864725092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218697595 (or 3218697586 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 630864725092 in words is "six hundred thirty billion, eight hundred sixty-four million, seven hundred twenty-five thousand, ninety-two".